【简答题】()是指在社会情景中,个体不予他人交往、游戏,而只是一个人独自打发时间的行为。
【单选题】Who discovered the city of Derinkuyu? A. It was discovered by accident. B. It was discovered by an archeologist. C. It was discovered by a resident of Turkey. D. It was discovered by a police.
A.
It was discovered by a doctor.
B.
It was discovered by an archeologist.
C.
It was discovered by a resident of Turkey.
D.
It was discovered by a police.
【单选题】《党章》规定,党按照什么原则选拔干部?( )
【单选题】烧伤病人的输液抢救中,每小时尿量至少应在
【单选题】25℃时,0.01 mol/L的HCl溶液中,由水电离出的H + 浓度是( )